﻿using System;
using System.Windows.Forms;

class TablessControl : TabControl
{
    private const int TCM_ADJUSTRECT = 0x1328;

    protected override void WndProc(ref Message m)
    {
        // Hide the tab headers at run-time
        if (m.Msg == TCM_ADJUSTRECT && !DesignMode)
        {
            m.Result = (IntPtr)1;
            return;
        }

        // call the base class implementation
        base.WndProc(ref m);
    }
}